Cupsey, a former Fortnite player who became one of the best-known Solana memecoin traders in 2024-2025, is at the center of an on-chain investigation by Bubblemaps. The analytics firm found 30 wallets connected to his public pump.fun wallets that have traded more than 27,000 tokens since May 7, routing about 3,000 of them through a side-wallet scheme.

The pattern described is consistent: four operational wallets buy and distribute tokens to 12 side wallets, Cupsey's public wallet buys, copy traders follow, and the side wallets start selling, often right after his public buy and while callouts were being posted.

The side-wallet operation reportedly made $1.74M across roughly 3,000 tokens, on top of $331K Cupsey earned in callout rewards.

Bubblemaps also links Cupsey on-chain to serial deployer 3z4vj, which launched and rugged thousands of tokens including $CUPSEY and booked $1.3M in trading profits. Cupsey's side wallets sniped more than 400 of those launches. The findings are allegations based on wallet clustering, and Cupsey has not publicly responded in the thread.